Today, Sir Jeremy Farrar, a member of Sage, the government advisory body, said the world would be living with Covid-19 for "very many, many years to come".
"Things will not be done by Christmas. This infection is not going away, it's now a human endemic infection.
"Even, actually, if we have a vaccine or very good treatments, humanity will still be living with this virus for very many, many years.... decades to come."
Prof Sir John Bell, of the University of Oxford, said he thought it was unlikely that Covid-19 would ever be eliminated despite the positive news announced on Monday that trials by his university had triggered an immune response - an important step in developing a vaccine.
"The reality is that this pathogen is here forever, it isn't going anywhere," he told MPs.
"Look at how much trouble they've had in eliminating, for example, polio, that eradication programme has been going on for 15 years and they're still not there.
"So this is going to come and go, and we're going to get winters where we get a lot of this virus back in action.“
If these highly respected scientists are right, how will your life change? Do you believe we can go back to normal while the virus is circulating?
www.bbc.co.uk/news/uk-53488142